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Re: [Discuss-gnuradio] various USRP GUIs freezing

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] various USRP GUIs freezing
Date: Sun, 2 Apr 2006 08:25:51 -0700
User-agent: Mutt/1.5.9i

On Sat, Apr 01, 2006 at 08:47:07PM +0200, Martin Dvh wrote:
> I am having this problem all the time.
> The defaults for the fft display are to try to display 15 fft's a second
> which is too much for anything but the fastest  processors.
> In the usrp_wfm_rcv example several fft's are displaying at the same time
> which worsens the problems.
> I allways add the following parameter to all ftt's.
> fft_rate=5
> What this does is to tell the fft gui to try to display 5 fft's a second in
> stead of 15.
> For me this solves most gui_freeze problems.
> If you still have the problem then go even lower as 5 or disable the fft's.
> (change the if 1: to if 0: in front of the code which opens the fft display)

Hi folks,

I've added a couple of new system defaults:


  fft_rate = 15     # fftsink & waterfallsink
  frame_decim = 1   # scopesink

You can override the system defaults in

Update gr-wxgui to pick up this change.


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